def __init__(self, server_port, pidfname, logfname, statusfname,
workdir='/tmp/', delim=['<<','>>'], sniffer_port=None):
"""
@param server_port The port to listen on for driver connections.
@param pidfname The file name of the process ID file, used by
DaemonProcess.
@param logfname The file name of the logger logfile where comms
traffic is logged, used by DaemonProcess.
@param statsfname The name of the logger status file, where logger
status info and errors is kept.
@param workdir The path of the working directory where logger files
are written, used by DaemonProcess.
@param delim A 2-element delimter list used to delimit traffic from
the driver in the logfile, thus demarking it from the device
output.
@param sniffer_port The port to listen on for sniffer connections.
"""
DaemonProcess.__init__(self, pidfname, logfname, workdir)
self.server_port = server_port
self.sniffer_port = sniffer_port
self.driver_server_sock = None
self.driver_sock = None
self.driver_addr = None
self.sniffer_server_sock = None
self.sniffer_sock = None
self.sniffer_addr = None
self.delim = delim
self.statusfname = workdir + statusfname
def _cleanup(self):
"""
Cleanup function prior to logger exit. Close comms, status file and
call DaemonProcess cleanup. This is called by the DaemonProcess
SIGTERM handler if termination occurs due to signal, or by
atexit handler if the run loop concludes normally.
"""
self._close_device_comms()
self._close_driver_comms()
if self.statusfile:
self.statusfile.write('_cleanup: logger stopping.\n')
self.statusfile.flush()
self.statusfile.close()
self.statusfile = None
DaemonProcess._cleanup(self)
def __init__(self, pidfname, logfname, statusfname, portfname, workdir, delim, ppid):
"""
Base logger process constructor.
@param pidfname Process id file name.
@param logfname Log file name.
@param statusfname Status file name.
@param portfname Port file name.
@param workdir The work directory.
@param delim 2-element delimiter to indicate traffic from the driver
in the logfile.
@param ppid Parent process ID, used to self destruct when parents
die in test cases.
"""
DaemonProcess.__init__(self, pidfname, logfname, workdir)
self.server_port = None
self.driver_server_sock = None
self.driver_sock = None
self.driver_addr = None
self.delim = delim
self.statusfname = workdir + statusfname
self.ppid = ppid
self.last_parent_check = None
self.portfname = workdir + portfname
